Use Audit Configuration to set up tolerances for your specific fraud and compliance policies.
The available rules are as follows:
Duplicate Expenses within a Report
Duplicate Expenses for Same Employee Across Expense Reports
Duplicate Expenses across Employees
Weekend and Holiday Expenses
Automated Receipt Verification
Anti-Corruption and Bribery
Expand Expense Setup and Admin to see which checks are active
Here you can see the settings for Duplicate Expenses with Report Check
And the settings for Expense Age
Contact your account manager if you need assistance configuring your audit.